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How Do Ionic Liquids Affect the Surface Structure of Titania Photocatalyst? An Electron-Trap Distribution-Analysis Study

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Title: How Do Ionic Liquids Affect the Surface Structure of Titania Photocatalyst? An Electron-Trap Distribution-Analysis Study
Authors: Luczak, Justyna Browse this author
Pancielejko, Anna Browse this author
Chen, Guangyi Browse this author
Takashima, Mai Browse this author
Zaleska-Medynska, Adriana Browse this author
Ohtani, Bunsho Browse this author →KAKEN DB
Issue Date: 30-Dec-2021
Publisher: American Chemical Society
Journal Title: Journal of physical chemistry c
Volume: 125
Issue: 51
Start Page: 28143
End Page: 28149
Publisher DOI: 10.1021/acs.jpcc.1c09174
Abstract: Titanium(IV) oxide, titania, photocatalyst particles were prepared from titanium alkoxide in the presence of several kinds of ionic liquids, and it was clarified that a group of samples exhibited photocatalytic activity for phenol degradation under the irradiation of light of wavelength >400 nm higher than those of the other group of samples. Although the conventional structural analytical results could not be related to the activity, electron-trap distribution measured by reversed double-beam photoacoustic spectroscopy suggested that a part of the ionic liquid induced the creation of a surface amorphous layer covered with hydrophobic organic residues to enhance the adsorption of phenol on the surface.
Type: article
URI: http://hdl.handle.net/2115/84075
Appears in Collections:触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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